Table 1 Enhancement values and buildup center frequencies
From: Enhancement of THz generation in LiNbO3 waveguides via multi-bounce velocity matching
Sample | d (μm) | θbev (deg) | \(f_0^{{{{\mathrm{theo}}}}}\) (THz) | \(f_0^{{{{\mathrm{meas}}}}}\) (THz) | Lmax (mm) | \(\bar \eta\) | \(\eta _0\) |
|---|---|---|---|---|---|---|---|
I | 50 | 59 | 0.52 | 0.50 | 1.4 | 35.9 | 10.8 |
II | 50 | 53 | 0.78 | 0.61 | 0.9 | 98.4 | 13.7 |
III | 100 | 59 | 0.26 | 0.23 | 1.0 | 79.2 | 29.2 |
IV | 100 | 53 | 0.40 | 0.38 | 0.5 | 69.9 | 12.8 |
V | 100 | 50 | 0.57 | 0.46 | 0.6 | 113.8 | 13.4 |